Micon - Toshiba VTW2185 Service Manual

A B
D1006
D1010
SB140-EIC
SB140-EIC
8
FROM/TO REGULATOR1
AT+5.6V
POWER_FAIL[DC]
VCR_POWER_H
AT+12V
RX
TX
DEGAUSS_H
DVD_POWER-H
EMERGENCY
VD
HD
TV_POWER_H
P.CON+5V_C
7 MOTOR_GND
GND
P.CON+5V_A
FROM/TO DVD I/O
TUNER_H
T-REC_LED
REC_LED
REMOCON_IN
KEY_A
KEY_B
STANDBY_H
TU_AUDIO_MUTE_H
6
FROM/TO Y/C/A/H.AMP
AT+5.6V_A
MESECAM_H
D_V_SYNC
V.REC_ST_H
2FSC_A
SCL
SDA
H.SW
ENV_DET
VCR_A_MUTE
CTL+
CTL-
C.SYNC
BOT
5
EOT SENSOR
BOT SENSOR 5.1 5.1
Q1006
Q1017
ST-304L
ST-304L
0.2 0.1
EOT
CENT LED SW
4
Q1002
KRC103SRTK
0.2
5.2
0
3 FROM/TO CAPSTAN DD UNIT
CP1001
TMC-J12P-B2
1 CAP FG
2 CAP VCO
R1075
3 VCC
R1061
1K 1/2W CAP_F/R
4 CAP.M/F/R
3.3K CAP_LIMIT
5 I LIMIT
6 MOTOR GND
7 GND
W828
8 CYL/LAD VCO
CONTROL_IN
9 CAP CTL
-
LDM_CTL
10 LDM CTL
2
CYL_FG/PG
11 CYL FG/PG
CYL_DRIVE
12 CYL CTL
1
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
A B
G-15
C D
C1047
16V 10 KA
2.6 2.8 5.3 3.3 2.5
84 83 82 81 80
R1024
R1004
VOL_CTL 2.6
12K R1001
2.2
CYL_DRIVE 1K
R1066 1.8M
2.6
CONTROL_IN 85
CAP_FULL
1K
CAP_F/R 2.6
CAP_FWD-L 86
OSD_Y 2.6
VV-H
NC
VCR_A_MUTE 2.6
VCR_MUTE
C1063 2.6
V.REC_ST_H
V.REC.START-H
220P CH
PROTECT 0.3
PROTECT
2.6
TV_POWER_H
C1074
TV_POWER_ON-H
TUNER_ON/OFF 2.6
0.01 B
R1090 DA RGB SW
5.1
22K VCR_POWER_ON-H
R1068
2.5
YC0
Q1011 BUFFER
1.8K 1/4W
KTC3875S_Y_RTK AT+5.6V 3.1
DVD_RESET
DVD RESWT
5.3
R1060
3.8
H_CTL
H CONTROL
4.8 2.2K
OSDR 2.6
R
4.0
VCR_POWER_H
2.6
OSDG
G
R1039
OSDB 2.6
B
22K 0
C1073 FF/REW-L
FF/REW-L
0.01 B DVD_POWER-H 2.6
DVD_POWER-H
R1008
26
5.0
CYL_FG/PG
DFG/DPG
C1007
1K 1/4W R1014
H.SW 2.6
VIDEO_H.SW
0.0047 B
1K
R1057 2.6
HF_H.SW
CYL_DRIVE
HIFI_H.SW
C1008 R1064 27
5.6K 1/4W
2.6
DRUM_PWM 111
0.18 B R1067 56K 28
CONTROL_IN 2.6
CAP_PWM
112
56K
1.4
D_V_SYNC
DUMMY.V.SYNC
0
VSS
C1067
4.8
C.SYNC
CENT_LED_CTL
0.1 B
5.3
C1081
TAB SW
TAB_SW 1 2 3 4 5
0.001 CH
SW1001 0 2.5 2.5 2.5 2.7 3.9 5.0 4.7 2.5 5.0 2.0 2.9 1.8 5.0 5.0 2.0 1.4 5.3 1.6
R1017
LSA-1144EAU
CTL+
C1090
560
R1020
C1016
6.3V 22 KA
CTL-
560
C1012
6.3V 47 KANP
0
0.0039 B
S806Y
30
SW
Q1004
5.2
KRC103SRTK
0
C1015
0.0018 B
R1029
1K 1/4W
31
MS_SEN A
Q1009
RPI-352C40N
2.4 1.2
5.1 0.9 5.1
5.1
1 2
2 3 2 3
1 4 1 4
MS_SEN B
0.9 1.4 0.5 1.4
4 3
Q1003
0 5.1
RPI-352C40N
REEL SENSOR
Q1001
RPI-303
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C D
E
24
X1002
25
NC
NC
0 2.5 0 1.1 1.5 0 0 4.8 0 0.7 4.9 0 0 5.3 2.5 2.5 5.2 0 0 NC 0 5.4
5.3
79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59
VOLUME_PWM
CYL_SPEED_UP
56 VCC
55 REC_AGC_CTL
TEXT RESET
REC/OTR_LED
SYSCON/TIMER/SERVO IC
REMOCON IN
IC1006
OEC0136A
MO SYNC IN
POWER_FAIL
C.SYNC
30 TUNER AGC
VCC
29 MESECAM_H/EXT_IN-L
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
NC 0 0 1.8 0 0 4.6 0
NC
R1021 470
L1001 12uH
C1038 15P
CH
C1022
0.0039 B
NC
R1049
0
5
REEL SENSOR
4.7K
Q1005 NC
RPI-303
0 2.4
OUT
1 2
1
5.2
4 3
0 5.1
CAUTION: DIGITAL TRANSISTOR
E
F G
MICON SCHEMATIC DIAGRAM
R1096
1K
C1072 C1030
R1036 68P CH 0.1 F
4.3 4.7 0 5.1
22K
5 6 7 8
C1029
0.1 B
C1060
4 3 2 1
0.1 B
0 0 0 0
0
58 57
5.3
0
0 R1015 22K
EXT_IN_L
EXT_IN-L
0 TV_A_MUTE
TV_MUTE
0
CENT_LED_CTL
CENT LED
0 TEXT_RESET
0
R1010 4.7K TAB_SW
TAB_SW
0
VCR/DVD
VCR/DVD
0.4
REC_LED
0.4 T-REC_LED
T-REC_LED
0
AV1
AV1
0 STANDBY_H
STAND BY
0
DEGAUSS_H
C1069
DEGAUSS
5.4
REMOCON_IN 22P CH
R1082100 1/4W
2.5 R1035
CFG_IN2
SERVICE
5.3
22K 1/4W
SERVICE NC
TP1001
0.1 REEL-T
REEL-T
0.1
REEL-S
REEL-S
0.8 MO_SYNC
R1065
4.9
C1043 33K
5.3
AVCC
R1055
0.1 B C1044
0.1
BOT
BOT
10K 1/4W
5.3 KEY_B
KEY_B
5.3 KEY_A
KEY_A
0 4.7K
32
2.6 R1059 R1013
MS_SEN-B
MSSEN_B H.SYNC 4.7 0
VD SW
2.6 MS_SEN-A 1K 10K
MSSEN_A
V.SYNC Q1015
KTC3875S_Y_RTK
4.9
AGC_M
4.2
19
C1055
2.1 MESECAM_H
HD SW 0.2
560P CH
Q1016
0
27 28
KTC3875S_Y_RTK
0 2.3
5.1
POWER_FAIL[DC]
4.9
R1016 4.9
BUFFER
Q1007
2.2K
2SA1037AK
4.9
SW
Q1010
KRA103SRTK
4.6
C1034 0
0.01 B 0
D1008
4.9
MTZJ5.1B
D1021
1SS133
R1009
R1072 820
270
NC
0
R1012
4
R1073 820
NC 270
R1054
IN GND
270 R1074 820
2 3
5.1 0
CAUTION: DIGITAL TRANSISTOR
F G
H
8
(VCR PCB)
7
FROM/TO DEMODULATOR/21PIN
REC_AGC_CTL
REC_SVL-H
IF_MOD
NICAM_RESET
SCL
SDA
REC_AFT
EXT_IN_L
6
TU_AUDIO_MUTE_H
TUNER_ON/OFF
21PIN/DVD
FROM/TO SECAM CHROMA/HI-FI
SDA
SCL
VCR_A_MUTE
HF_ENV
HF_H.SW
VCR/DVD
5
FROM/TO CHROMA/IF
VD
MO_SYNC
DVD_RESET
H_CTL
PROTECT
0.01 B SDA
R1062 SCL
IIC_OFF
AGC_M
HD 4
AV1
AV2
TUNER_CTL
R1048
HD
VCR/DVD
220
FROM/TO T'TEXT/RGB SW
R1070
TEXT_RESET
10K
VCR/DVD
OSD_R
OSD_G
OSD_B
OSD_Y 3
SCL
SDA
P.CON+5V_E
0
EMERGENCY
FROM/TO SOUND AMP
SW
Q1008
VOL_CTL
KRC103SRTK
M.P.OFF_H
TV_A_MUTE
OSD_R
TV_POWER_H
POWER_FAIL
OSD_G
2
OSD_B
PCB010
VMC296
1
H
G-16